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Finding the Fourth Proportional to 70,846.98, 106,263.96 and 21,598.98

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Solution

The fourth proportional to 70,846.98, 106,263.96 and 21,598.98 is: 32,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,846.98 : 106,263.96 = 21,598.98 : x
  2. Step 2: Convert to fraction form
    70,846.98/106,263.96 = 21,598.98/x
  3. Step 3: Cross multiply
    70,846.98x = 106,263.96 × 21,598.98
  4. Step 4: Simplify right side
    70,846.98x = 2,295,193,146.76
  5. Step 5: Solve for x
    x = 2,295,193,146.76/70,846.98
  6. Step 6: Final answer
    x = 32,396.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.